add the ability to specify labels for the registry service

Signed-off-by: Andrew Lavery <laverya@umich.edu>

templates/service.yaml

@@ -8,6 +8,9 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
+{{- if .Values.service.labels }}
+{{ toYaml .Values.service.labels | indent 4 }}
+{{- end }}
 {{- if .Values.service.annotations }}
   annotations:
 {{ toYaml .Values.service.annotations | indent 4 }}

values.yaml

@@ -37,6 +37,8 @@ service:
   # loadBalancerSourceRanges:
   annotations: {}
   # foo.io/bar: "true"
+  labels: {}
+  # foo.io/baz: "false"
 ingress:
   enabled: false
   className: nginx